http://www.smh.com.au/technology/sc...energy-from-water-vapour-20170612-gwpnoq.html
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Solar paint prototype to offer endless energy from water vapour
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- Georgina Connery
RMIT researchers have created a new solar paint that absorbs moisture from the air and uses sunlight to split water atoms and harvest hydrogen as fuel.
The paint is a mix of titanium oxide, a common white pigment in wall paints, and a new material, synthetic molybdenum-sulphide, that acts like a silica gel sachet in the way it absorbs moisture.
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Dr Kourosh Kalantar-Zadeh and Dr Torben Daeneke at RMIT with their solar paint. Photo: Peter Clarke
But the new material also acts as a semi-conductor to catalyse the splitting of water into hydrogen and oxygen molecules, said RMIT lead researcher Dr Kourosh Kalantar-zadeh.
"Basically we are talking about producing fuel from the sun and water vapour in the air," he said. "It is a super simple idea that we have implemented very successfully. It can rival the photovoltaic cells we put on the roof.""
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